Single center, randomized, double-blind, placebo-controlled clinical trial for evaluation of efficacy on cognitive function and safety of MT104

INTERVENTION: Dietary Supplement : For 12 weeks, take MT‐104(Cuscuta chinensis Lam, C. japonica Choisy and Lactobacillus paracasei) or Placebo, once a day, 1 capsule at a time, 30 minutes after breakfast. CONDITION: Mental and behavioural disorders PRIMARY OUTCOME: Improvement rate of total score of K‐MMSE SECONDARY OUTCOME: Improvement rate of RCFT (immediate recall, recognition) score Improvement rate of Rey Complex Figure Test (RCFT) score Improvement rate of Seoul Verbal Learning Test (SVLT) score Improvement rate of SVLT (immediate recall, recognition) score Improvement rate of total score of K‐MoCA INCLUSION CRITERIA: 1) Subjects of 50 to 80 years of age 2) Subjects with mild cognitive impairment ‐ subjects or guardian claim cognitive impairment ‐ subjects with decreased verbal or visual memory score of SNSB test below ‐1SD 3) Subjects who consent participation of study and write written consent